发明授权
- 专利标题: Image scanning apparatus and method for correcting scanned image
- 专利标题(中): 用于校正扫描图像的图像扫描装置和方法
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申请号: US13029327申请日: 2011-02-17
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公开(公告)号: US08654409B2公开(公告)日: 2014-02-18
- 发明人: Kosuke Shimizu
- 申请人: Kosuke Shimizu
- 申请人地址: JP Tokyo
- 专利权人: Fuji Xerox Co., Ltd.
- 当前专利权人: Fuji Xerox Co., Ltd.
- 当前专利权人地址: JP Tokyo
- 代理机构: Sughrue Mion, PLLC
- 优先权: JP2010-158703 20100713
- 主分类号: H04N1/40
- IPC分类号: H04N1/40
摘要:
An image scanning apparatus includes: an image scanning unit that includes plural light emitting elements and a light receiving portion receiving light emitted from the light emitting elements and reflected on a document and scans an image on the document; a light quantity information acquiring unit that acquires light quantity information on the quantity of light received by the light receiving portion while causing the light emitting elements to irradiate a reference member with light; a correction unit that corrects the scanned image, based on the light quantity information; and an abnormality detecting unit that detects abnormality of the light emitting elements. If the abnormality detecting unit detects the abnormality, the light quantity information acquiring unit acquires new light quantity information while causing the light emitting elements to irradiate the reference member with light and the correction unit corrects the scanned image, based on the new light quantity information.
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